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Income Taxes - Narrative (Details) - USD ($)
$ in Millions
3 Months Ended
Sep. 30, 2016
Sep. 30, 2015
Jun. 30, 2016
Income Tax Disclosure [Abstract]      
Possible decrease in tax expense in next 12 months $ 3.1    
Taxes paid on cash distribution $ 16.7   $ 15.9
Effective income tax rate (1606.80%) 21.30%  
Decrease in income tax expense $ 870.6    
Income tax benefit from reorganization 876.1    
Increase in income tax expense due to impact of foreign rates 10.9    
Decrease in changes in unrecognized tax benefits $ 2.2